<!DOCTYPE html PUBLIC"-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type"content="text/html; charset=utf-8"/><title>日志信息</title><link rel="stylesheet" href="../css.css"/></head><body>[Log]<p>记录时间：2018/8/31 星期五 下午 3:05:34</p><p>日志类型：错误信息</p><p>日志描述：Object reference not set to an instance of an object.</p><p>异常根源：RayPI</p><p>堆栈轨迹：   </br>at RayPI.Controllers.AdminController.GetStudentById(Int64 id) in G:\RayPI（180831集成配置读取）\RayPI（180831集成配置读取）\RayPI\RayPI\Controllers\AdminController.cs:line 55
   </br>at lambda_method(Closure , Object , Object[] )
   </br>at Microsoft.Extensions.Internal.ObjectMethodExecutor.Execute(Object target, Object[] parameters)
   </br>at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeActionMethodAsync>d__12.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   </br>at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   </br>at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   </br>at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeNextActionFilterAsync>d__10.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   </br>at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   </br>at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context)
   </br>at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   </br>at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeInnerFilterAsync>d__14.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   </br>at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   </br>at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   </br>at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.<InvokeNextResourceFilter>d__22.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   </br>at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   </br>at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context)
   </br>at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   </br>at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.<InvokeFilterPipelineAsync>d__17.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   </br>at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   </br>at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   </br>at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.<InvokeAsync>d__15.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   </br>at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   </br>at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   </br>at Microsoft.AspNetCore.Builder.RouterMiddleware.<Invoke>d__4.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   </br>at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   </br>at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   </br>at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.<Invoke>d__6.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   </br>at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   </br>at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   </br>at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIIndexMiddleware.<Invoke>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   </br>at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   </br>at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   </br>at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.<Invoke>d__6.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   </br>at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   </br>at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   </br>at RayPI.ExceptionHelp.ExceptionFilter.<Invoke>d__2.MoveNext() in G:\RayPI（180831集成配置读取）\RayPI（180831集成配置读取）\RayPI\RayPI\ExceptionHelp\ExceptionFilter.cs:line 39</p><hr /></body></html>